HG/T 2230-2006
Water treatment chemicals-Dodecyl dimethyl benzyl ammonium chloride
SH 2604.08-2003
Water treatment chemicals-Dodecyl(tetradecyl)dimethyl benzyl ammonium chloride
GB/T 6730.34-2017(\u82f1\u6587\u7248)
铁矿石 锡含量的测定 邻苯二酚紫-溴化十六烷基三甲胺分光光度法
QB/T 1915-2021
QB/T 1914-2013
Determination of mean relative molecular weight of alkyltrimethylammonium halide and alkyldimethylbenzylammonium halide by GC
QB 1915-1993
QB/T 1914-1993
32022D0146
32013L0007